辛夷的显微特征是:()
A.非腺毛有单细胞和多细胞
B.石细胞
C.油细胞
D.苞片表皮细胞扁方形,垂周壁连珠状
E.草酸钙方晶
参考答案:A, B, C, D
A.Yes, he gives the woman five pounds and promises to go to the match.
B.No, he doesn’t want to watch the match.
C.Yes, he likes to watch but want to have a free ticket.
D.No, he likes to watch the match only through TV.
男性,45岁。腰痛多年,时轻时重,伴双下肢痛。10天前搬重物后腰腿痛加剧,并出现麻木与排尿困难。查体:腰运动受限,椎旁压痛向下肢放散,马鞍区痛觉减退。直腿抬高与加强试验阳性。
出现排尿困难,鞍区麻木的原因是()
A.窦椎神经受刺激
B.脊神经后支卡压
C.马尾神经受压
D.L5神经根受压
E.S1神经根受压